RIYADH, Saudi Arabia — Cristiano Ronaldo failed to score in his Saudi Pro League debut for Al Nassr, but his presence electrified fans at King Saud University Stadium as the team beat Ettifaq 1-0 to retake first place on Sunday. Ronaldo, a five-time Ballon d’Or winner who starred for Real Madrid, Juventus and Manchester United, signed a deal to June …
